:root{
  --bg0:#060A14;
  --bg1:#0A1024;

  --text:#EAF0FF;
  --muted:rgba(234,240,255,.72);

  --glass:rgba(255,255,255,.06);
  --glass2:rgba(255,255,255,.10);
  --line:rgba(255,255,255,.12);

  --blue:#2F7CFF;
  --blue2:#62A7FF;

  --cyan:#2EF2FF;
  --violet:#A855F7;
  --pink:#FF4FD8;
  --mint:#21F3A6;

  --shadow: 0 18px 60px rgba(0,0,0,.55);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;}
body{
  color:var(--text);
  background:
    radial-gradient(900px 600px at 15% 15%, rgba(98,167,255,.25), transparent 60%),
    radial-gradient(900px 600px at 85% 10%, rgba(168,85,247,.22), transparent 60%),
    radial-gradient(900px 600px at 80% 85%, rgba(46,242,255,.18), transparent 60%),
    radial-gradient(900px 600px at 10% 85%, rgba(255,79,216,.14), transparent 60%),
    linear-gradient(180deg, var(--bg1), var(--bg0));
  min-height:100vh;
  overflow-x:hidden;
}

.container{width:min(1120px, 92%); margin:0 auto;}
a{color:inherit}

.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:22px 0;
  position:sticky;
  top:0;
  z-index:10;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(6,10,20,.72), rgba(6,10,20,.18));
  border-bottom:1px solid rgba(255,255,255,.06);
}

.brand{display:flex; align-items:center; gap:12px;}
.logo{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  font-weight:900;
  background:
    radial-gradient(14px 14px at 30% 30%, rgba(255,255,255,.45), transparent 60%),
    linear-gradient(135deg, var(--blue), var(--violet), var(--cyan));
  box-shadow: 0 12px 30px rgba(47,124,255,.25);
}
.brandName{font-weight:900; letter-spacing:.2px}
.brandTag{color:var(--muted); font-size:13px; margin-top:2px}

.nav{display:flex; gap:14px; flex-wrap:wrap}
.nav a{
  text-decoration:none;
  font-weight:700;
  font-size:14px;
  color:rgba(234,240,255,.78);
  padding:8px 10px;
  border-radius:12px;
  border:1px solid transparent;
}
.nav a:hover{
  color:var(--text);
  border-color:rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
}

.hero{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:18px;
  padding:26px 0 10px;
}

.heroText h1{
  margin:0 0 10px;
  font-size:44px;
  line-height:1.05;
  letter-spacing:-.8px;
}
.heroText p{
  margin:0 0 18px;
  color:var(--muted);
  font-size:16px;
  line-height:1.7;
  max-width:58ch;
}

.ctaRow{display:flex; gap:10px; flex-wrap:wrap; align-items:center;}
.note{margin-top:10px; color:rgba(234,240,255,.60); font-size:12px}

.heroCard{
  position:relative;
  border-radius:18px;
  padding:18px;
  border:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(400px 220px at 10% 10%, rgba(98,167,255,.18), transparent 60%),
    radial-gradient(420px 240px at 90% 10%, rgba(168,85,247,.14), transparent 60%),
    rgba(255,255,255,.04);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.heroCard::after{
  content:"";
  position:absolute;
  inset:-1px;
  border-radius:18px;
  padding:1px;
  background: linear-gradient(135deg, rgba(98,167,255,.55), rgba(46,242,255,.30), rgba(168,85,247,.40));
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events:none;
  opacity:.65;
}
.cardTitle{font-weight:900; margin-bottom:10px; letter-spacing:.2px}
.bullets{margin:0; padding-left:18px; color:rgba(234,240,255,.78)}
.bullets li{margin:8px 0}

.section{padding:26px 0}
.section h2{margin:0 0 10px; font-size:28px; letter-spacing:-.4px}

.grid{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
.tile{
  border-radius:18px;
  padding:14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.tile h3{margin:0 0 6px; font-weight:900}
.tile p{margin:0; color:rgba(234,240,255,.72); line-height:1.55}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:11px 14px;
  border-radius:14px;
  font-weight:900;
  text-decoration:none;
  border:1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  user-select:none;
}
.btn:active{transform: translateY(1px) scale(.99);}

.btn.primary{
  color: white;
  background: linear-gradient(180deg, rgba(47,124,255,.95), rgba(47,124,255,.70));
  border-color: rgba(98,167,255,.65);
  box-shadow: 0 18px 44px rgba(47,124,255,.35);
}
.btn.primary:hover{
  transform: translateY(-1px);
  box-shadow: 0 24px 62px rgba(47,124,255,.45);
  border-color: rgba(98,167,255,.85);
}

.btn.ghost{
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.12);
  color: var(--text);
}
.btn.ghost:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.18);
}

.btn.big{padding:14px 18px; font-size:16px; border-radius:16px}

/* ✅ Sección descarga centrada */
.download{
  text-align:center;
  border-radius:22px;
  padding:22px;
  border:1px solid rgba(255,255,255,.10);
  background:
    radial-gradient(520px 260px at 50% 10%, rgba(47,124,255,.22), transparent 60%),
    radial-gradient(520px 260px at 50% 90%, rgba(46,242,255,.14), transparent 60%),
    rgba(255,255,255,.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.download p{color:rgba(234,240,255,.75); margin-top:0}
.download .btn.primary.big{margin:10px auto 0; width:min(340px, 100%);}

/* Pequeños detalles */
.small{margin-top:10px; color:rgba(234,240,255,.65); font-size:12px; line-height:1.6}
.contactRow{display:flex; gap:10px; flex-wrap:wrap; justify-content:center}
.footer{
  padding:22px 0;
  color:rgba(234,240,255,.60);
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:18px;
  text-align:center;
}

/* Responsive */
@media (max-width: 900px){
  .hero{grid-template-columns:1fr}
  .heroText h1{font-size:34px}
  .nav{display:none} /* opcional: para que quede limpio en móvil */
  .grid{grid-template-columns:1fr}
}